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  Video标签
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  <h2 id="video标签相关"><a href="#video标签相关" class="headerlink" title="video标签相关"></a>video标签相关</h2><ul>
<li><a target="_blank" rel="noopener" href="https://developer.mozilla.org/zh-CN/docs/Web/HTML/Element/video">video</a></li>
<li><a target="_blank" rel="noopener" href="https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLMediaElement/controlsList">controlsList</a></li>
</ul>
<blockquote>
<p>大部分控件都能隐藏 但是<code>更多控件</code>那个控件隐藏不了 采取了自欺欺人的方法… 设置高度父元素溢出隐藏挡住</p>
</blockquote>
<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">&lt;!--controlsList  --&gt;</span></span><br><span class="line"> <span class="tag">&lt;<span class="name">video</span></span></span><br><span class="line"><span class="tag">    <span class="attr">controlsList</span>=<span class="string">&#x27;nofullscreen nodownload noremoteplayback&#x27;</span></span></span><br><span class="line"><span class="tag">    <span class="attr">disablePictureInPicture</span></span></span><br><span class="line"><span class="tag">    <span class="attr">className</span>=<span class="string">&quot;videoItems&quot;</span></span></span><br><span class="line"><span class="tag">    <span class="attr">muted</span></span></span><br><span class="line"><span class="tag">    <span class="attr">controls</span></span></span><br><span class="line"><span class="tag">    <span class="attr">width</span>=<span class="string">&quot;100%&quot;</span></span></span><br><span class="line"><span class="tag">    <span class="attr">height</span>=<span class="string">&quot;100%&quot;</span></span></span><br><span class="line"><span class="tag">    /&gt;</span></span><br></pre></td></tr></table></figure>

<figure class="highlight css"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-time-remaining-display</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-current-time-display</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-play-button</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-fullscreen-button</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-timeline</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-volume-slider</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-mute-button</span>,</span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-overflow-menu-list</span> &#123;</span><br><span class="line">  <span class="attribute">display</span>: none;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-enclosure</span> &#123;</span><br><span class="line">  <span class="attribute">overflow</span>: hidden;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-panel</span> &#123;</span><br><span class="line">  <span class="attribute">height</span>: <span class="built_in">calc</span>(<span class="number">100%</span> + <span class="number">50px</span>);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h2 id="阻止默认事件"><a href="#阻止默认事件" class="headerlink" title="阻止默认事件"></a>阻止默认事件</h2><blockquote>
<p><code>video</code>默认事件 单击播放/暂停 双击全屏</p>
</blockquote>
<blockquote>
<p>现需求是不能通过单击操作视频的播放/暂停 但是又不想去掉controls因为去掉了没有loading样式</p>
</blockquote>
<blockquote>
<p>单击默认事件阻止之后 双击的全屏事件也不能实现了QAQ , 所以双击也得自己实现</p>
</blockquote>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">const</span> videoExitFullScreen = <span class="function">() =&gt;</span> &#123;</span><br><span class="line">  <span class="keyword">const</span> dom = <span class="built_in">document</span></span><br><span class="line"></span><br><span class="line">  <span class="comment">// 浏览器兼容性处理</span></span><br><span class="line">  <span class="keyword">if</span> (dom.exitFullscreen) &#123;</span><br><span class="line">    dom.exitFullscreen()</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (dom.mozCancelFullScreen) &#123;</span><br><span class="line">    dom.mozCancelFullScreen()</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (dom.webkitCancelFullScreen) &#123;</span><br><span class="line">    dom.webkitCancelFullScreen()</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line"><span class="comment">// 阻止video单击播放停止的默认事件</span></span><br><span class="line"><span class="keyword">const</span> onceClick = <span class="function">(<span class="params">event</span>) =&gt;</span> &#123;</span><br><span class="line">  event.preventDefault();</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line"><span class="comment">// 还原video双击全屏事件</span></span><br><span class="line"><span class="keyword">const</span> singleFullScreen = <span class="function">(<span class="params">index: number</span>) =&gt;</span> &#123;</span><br><span class="line">  <span class="keyword">const</span> isFull = <span class="built_in">document</span>.fullscreenElement</span><br><span class="line">  <span class="keyword">if</span> (isFull) &#123;</span><br><span class="line">    videoExitFullScreen()</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    videoFullScreen(index)</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h2 id="video播放按钮"><a href="#video播放按钮" class="headerlink" title="video播放按钮"></a>video播放按钮</h2><blockquote>
<p>因为没有加载数据源的时候<code>video</code>的播放按钮是禁用状态，而且监听不到他的点击事件</p>
</blockquote>
<h3 id="解决思路"><a href="#解决思路" class="headerlink" title="解决思路"></a>解决思路</h3><ul>
<li>通过css样式写死透明度为 1 （假装成能点的样子）</li>
<li>将一个透明的div覆盖在播放按钮的位置上</li>
<li>给div加点击事件、加载数据源，video有数据源之后就直接销毁div，原生的播放暂停按钮可以点击啦</li>
</ul>
<figure class="highlight css"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">&amp;<span class="selector-pseudo">::-webkit-media-controls-play-button</span> &#123;</span><br><span class="line">       // TODO 视频播放按钮</span><br><span class="line">       <span class="selector-tag">opacity</span>: 1;</span><br><span class="line">   &#125;</span><br></pre></td></tr></table></figure>

<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">&lt;div className=&#123;styles[<span class="string">&quot;video-container&quot;</span>]&#125;&gt;</span><br><span class="line">  &lt;video id=<span class="string">&#x27;video&#x27;</span></span><br><span class="line">    controlsList=<span class="string">&#x27;nodownload noremoteplayback&#x27;</span></span><br><span class="line">    disablePictureInPicture</span><br><span class="line">    className=&#123;styles[<span class="string">&#x27;hide-video-control&#x27;</span>]&#125;</span><br><span class="line">    onClick=&#123;handleClick&#125;</span><br><span class="line">    controls /&gt;</span><br><span class="line">&lt;/div&gt;</span><br><span class="line"></span><br><span class="line">&#123;!flv &amp;&amp; <span class="xml"><span class="tag">&lt;<span class="name">div</span> <span class="attr">className</span>=<span class="string">&#123;styles[</span>&quot;<span class="attr">play-cover</span>&quot;]&#125; <span class="attr">onClick</span>=<span class="string">&#123;handleCoverClick&#125;</span>&gt;</span><span class="tag">&lt;/<span class="name">div</span>&gt;</span></span>&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h2 id="video画中画"><a href="#video画中画" class="headerlink" title="video画中画"></a>video画中画</h2><blockquote>
<p>正常切换标签页画中画状态是可以切换回去的<br>但是路由切换的话，组件被卸载了，就回不去了<br>就需要对画中画进行禁用 给<code>video</code>加上<code>disablePictureInPicture</code>属性</p>
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                <button class="pswp__button pswp__button--share" style="display:none" title="Share"></button>

                <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>

                <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>

                <!-- Preloader demo http://codepen.io/dimsemenov/pen/yyBWoR -->
                <!-- element will get class pswp__preloader--active when preloader is running -->
                <div class="pswp__preloader">
                    <div class="pswp__preloader__icn">
                        <div class="pswp__preloader__cut">
                            <div class="pswp__preloader__donut"></div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
                <div class="pswp__share-tooltip"></div>
            </div>

            <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
            </button>

            <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
            </button>

            <div class="pswp__caption">
                <div class="pswp__caption__center"></div>
            </div>

        </div>

    </div>

</div>

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/default-skin/default-skin.min.css">
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe-ui-default.min.js"></script>

<script>
    function viewer_init() {
        let pswpElement = document.querySelectorAll('.pswp')[0];
        let $imgArr = document.querySelectorAll(('.article-entry img:not(.reward-img)'))

        $imgArr.forEach(($em, i) => {
            $em.onclick = () => {
                // slider展开状态
                // todo: 这样不好，后面改成状态
                if (document.querySelector('.left-col.show')) return
                let items = []
                $imgArr.forEach(($em2, i2) => {
                    let img = $em2.getAttribute('data-idx', i2)
                    let src = $em2.getAttribute('data-target') || $em2.getAttribute('src')
                    let title = $em2.getAttribute('alt')
                    // 获得原图尺寸
                    const image = new Image()
                    image.src = src
                    items.push({
                        src: src,
                        w: image.width || $em2.width,
                        h: image.height || $em2.height,
                        title: title
                    })
                })
                var gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, {
                    index: parseInt(i)
                });
                gallery.init()
            }
        })
    }
    viewer_init()
</script>

<!-- MathJax -->

<!-- Katex -->

<!-- busuanzi  -->


<script src="/js/busuanzi-2.3.pure.min.js"></script>


<!-- ClickLove -->

<!-- ClickBoom1 -->

<!-- ClickBoom2 -->


<script src="/js/clickBoom2.js"></script>


<!-- CodeCopy -->


<link rel="stylesheet" href="/css/clipboard.css">

<script src="https://cdn.jsdelivr.net/npm/clipboard@2/dist/clipboard.min.js"></script>
<script>
  function wait(callback, seconds) {
    var timelag = null;
    timelag = window.setTimeout(callback, seconds);
  }
  !function (e, t, a) {
    var initCopyCode = function(){
      var copyHtml = '';
      copyHtml += '<button class="btn-copy" data-clipboard-snippet="">';
      copyHtml += '<i class="ri-file-copy-2-line"></i><span>COPY</span>';
      copyHtml += '</button>';
      $(".highlight .code pre").before(copyHtml);
      $(".article pre code").before(copyHtml);
      var clipboard = new ClipboardJS('.btn-copy', {
        target: function(trigger) {
          return trigger.nextElementSibling;
        }
      });
      clipboard.on('success', function(e) {
        let $btn = $(e.trigger);
        $btn.addClass('copied');
        let $icon = $($btn.find('i'));
        $icon.removeClass('ri-file-copy-2-line');
        $icon.addClass('ri-checkbox-circle-line');
        let $span = $($btn.find('span'));
        $span[0].innerText = 'COPIED';
        
        wait(function () { // 等待两秒钟后恢复
          $icon.removeClass('ri-checkbox-circle-line');
          $icon.addClass('ri-file-copy-2-line');
          $span[0].innerText = 'COPY';
        }, 2000);
      });
      clipboard.on('error', function(e) {
        e.clearSelection();
        let $btn = $(e.trigger);
        $btn.addClass('copy-failed');
        let $icon = $($btn.find('i'));
        $icon.removeClass('ri-file-copy-2-line');
        $icon.addClass('ri-time-line');
        let $span = $($btn.find('span'));
        $span[0].innerText = 'COPY FAILED';
        
        wait(function () { // 等待两秒钟后恢复
          $icon.removeClass('ri-time-line');
          $icon.addClass('ri-file-copy-2-line');
          $span[0].innerText = 'COPY';
        }, 2000);
      });
    }
    initCopyCode();
  }(window, document);
</script>


<!-- CanvasBackground -->


<script src="/js/dz.js"></script>



    
  </div>
</body>

</html>